What powers pjclaussen.de?

Last seen Oct 2026 · 15 technologies across 9 categories

JavaScript frameworks

Backbone.js v1.3.3
since Jun 2024
Handlebars v4.2.0
since Jun 2024
Marionette.js v2.4.7
since Jun 2024

JavaScript libraries

core-js v3.14.0
since Jun 2024
jQuery v1.8.3
since Jun 2024
jQuery UI v1.11.4
since Jun 2024
Lodash v1.8.3
since Jun 2024
Underscore.js
since Jun 2024

Miscellaneous

Open Graph
since Jun 2024

Programming languages

Python
since Jun 2024

Security

HSTS
since Jun 2024

UI frameworks

Bootstrap v3.2.0
since Jun 2024

Web frameworks

Django
since Jun 2024

Web servers

Apache HTTP Server
since Jun 2024

Webmail

Microsoft 365
since Jun 2024

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Open Page Rank

0.79 / 10 · ranked #16,812,672 of all domains

2 referring domains · OpenPageRank

Page

  • Weight: 1.5 MB · 22 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on GD-EMEA-DC-SXB1 (178.77.79.212)
  • DNS: schlundtech.de
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC quarantine
  • SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
  • Common Crawl link graph: rank 28,295,214, 2 hosts
  • Verified with: Google, Microsoft 365

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

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